1.high quality and low price 2.Stainless Steel Filter ... , cement, ceramics, pharmacy, metering, etc.Specifications:Standard Sieves and Test Sieves: Diameter: 5cm, 6cm, 8cm, 10cm, 20X5cm ... 17X5cm, 20X5cm.Square Opening Sieves, Round Opening Sieves and Wire Mesh Sieves for Coal:(Wooden frame opening: 0 ... , 90X60X10cm. Custome orders are also welcome. Good quality Test Sieves(high quality and low price)